Pipeline output/input buf arrays must live until the EVP_Cipher is called
Pipeline output/input buf arrays must live until the EVP_Cipher is called

The pipeline input/output buf arrays must remain accessible to the
EVP_CIPHER_CTX until EVP_Cipher is subsequently called. This fixes an
asan error discovered by the newly added pipeline test.

Reviewed-by: Hugo Landau <ce9fa1e55a72fc9b85dd06e47ea2c07848fb7d2c@openssl.org>
Reviewed-by: Todd Short <0267f0ecbdb3e99cdfd94eb139bf30919fa04d2f@me.com>
Reviewed-by: Tomas Mraz <2bc6038c3dfca09b2da23c8b6da8ba884dc2dcc2@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19456)

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl